The top must-follow Twitter feeds
Web celebrities and gadget gurus keep their followers up to date in 140 characters or less
You know you're a social network geek when your online friends outnumber your flesh and bones buddies -- and you probably keep in touch with them via Twitter, the microblogging site. Launched in October 2006, its members share their ongoing thoughts in 140 characters or less. Here are Twitter feeds you don't want to miss!
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